AB |
AC |
AB |
AC |
AB |
AC |
AB |
AB |
BC |
3 |
AD |
AC |
MD |
AC |
AB |
AB |
AC |
AB |
AC |
1 |
2 |
AB |
AC |
|
|
1+4×
|
7 |
AB |
AB |
AC |
AB |
AC |
AB |
| ||||||
|
|
2 | ||
|
2
| ||
7 |
BC |
AC |
AB |
AB |
AC |
AC |
MD |
AC |
AD |
1 |
2 |
1 |
8 |
a |
b |
a |
b |
A.0 | B.(-12,12) | C.25 | D.90° |
OA |
OB |
OC |
0 |
OC |
AB |
A.-1 | B.1 | C.-2 | D.2 |
AH |
AB |
a |
b |
a |
b |
a |
b |
|
OM |
ON |
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